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UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

SCHEDULE 13D/A
(Rule 13d-101)

INFORMATION TO BE INCLUDED IN STATEMENTS FILED PURSUANT
TO RULE 13d-1(a) AND AMENDMENTS THERETO FILED PURSUANT TO
RULE 13d-2(a)

(Amendment No. 4)

OXFORD GLYCOSCIENCES PLC

(Name of Issuer)

ORDINARY SHARES, NOMINAL VALUE 5 PENCE STERLING EACH
AMERICAN DEPOSITARY SHARES, EACH REPRESENTING ONE ORDINARY SHARE

(Title of Class of Securities)

(Ordinary Shares)
69146101 (American Depositary Shares)

(Cusip Number)

CELLTECH GROUP PLC
(Name of Person Filing Statement)

John Slater
Celltech Group plc
208 Bath Road
Slough
Berkshire, SL1 3WE
United Kingdom

(Name, Address and Telephone Number of Person
Authorized to Receive Notices and Communications)

May 23, 2003

(Date of Event which Requires Filing of this Statement)

If the filing person has previously filed a statement on Schedule 13G to report the acquisition that is the subject of this Schedule 13D, and is filing this schedule because of Rule 13d-1(e), 13d-1(f) of 13d-1(g), check the following box: o

Note: Schedules filed in paper format shall include a signed original and five copies of the schedule, including all exhibits. See §240.13d-7 for other parties to whom copies are to be sent.

* The remainder of this cover page shall be filled out for a reporting person’s initial filing on this form with respect to the subject class of securities, and for any subsequent amendment containing information which would alter disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed to be "filed" for the purpose of Section 18 of the Securities Exchange Act of 1934 ("Act") or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act (however, see the Notes).

 

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AMENDMENT NO. 4 TO REPORT ON SCHEDULE 13D
SIGNATURE

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CUSIP No. 69146101
(Ordinary Shares)
(American Depositary Shares)
  1. Name of Reporting Persons
Celltech Group plc		 I.R.S. Identification No. of above persons (entities only)
  2. Check the Appropriate Box if a Member of a Group
    (a) o  
    (b) x  
  3. SEC Use Only
  4. Source of Funds
WC
  5. Check if Disclosure of Legal Proceedings Is Required Pursuant to Items 2(d) or 2(e) o
  6. Citizenship or Place of Organization
England and Wales
Number of
Shares
Beneficially
Owned by
Each Reporting
Person With
7. Sole Voting Power
49,631,602
8. Shared Voting Power
0
9. Sole Dispositive Power
49,631,602
10.Shared Dispositive Power
0
  11.Aggregate Amount Beneficially Owned by Each Reporting Person
49,631,602
  12.Check box if the Aggregate Amount in Row (11) Excludes Certain Shares
o
  13.Percent of Class Represented by Amount in Row (11)
88.6%
  14.Type of Reporting Person
CO

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AMENDMENT NO. 4 TO
REPORT ON SCHEDULE 13D

     This Amendment No. 4 to the Report on Schedule 13D is filed on behalf of Celltech Group plc.

       
Item 1. Security and Issuer
  This Amendment No. 4 (‘‘Amendment’’) amends and supplements the Report on Schedule 13D dated March 21, 2003 as amended by Amendment No. 1 dated April 23, 2003, Amendment No. 2 dated May 2, 2003 and Amendment No. 3 dated May 15, 2003 (‘‘Schedule 13D’’) relating to the ordinary shares (“Ordinary Shares”) of 5 pence sterling each of Oxford GlycoSciences Plc (“OGS”), a corporation organized under the laws of England and Wales. The Ordinary Shares trade in the United States in the form of American Depositary Shares (“ADSs”), with each ADS representing one Ordinary Share. This Amendment is filed to reflect information required pursuant to Rule 13d-2 under the Securities Exchange Act of 1934, as amended. The principal executive offices of OGS are located at The Forum, 86 Milton Park, Abingdon, Oxfordshire, OX14 4RY, United Kingdom.
  Unless otherwise indicated, each capitalized term used but not defined herein shall have the meaning assigned to such term in Schedule 13D.
 
Item 3.Source and Amount of Funds or Other Consideration
  The response set forth in Item 3 of Schedule 13D is hereby amended and supplemented by the following information:
  As of May 22, 2003, Celltech had acquired an aggregate of 49,631,602 Ordinary Shares as a result of valid acceptances received. The aggregate purchase price for the Ordinary Shares was approximately £90.3 million (excluding stamp duty). Celltech used available cash to acquire the Ordinary Shares and Purchase Shares.
 
 

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Item 5.Interest in Securities of the Issuer
  The response set forth in paragraph (a) of Item 5 of Schedule 13D is hereby amended and restated as follows:
  (a) Celltech beneficially owns an aggregate of 49,631,602 Ordinary Shares, representing approximately 88.6% of the number of such Ordinary Shares outstanding on the date hereof.
 
 

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SIGNATURE

After reasonable inquiry and to the best knowledge and belief of the undersigned, the undersigned certifies that the information set forth in this statement is true, complete and correct.

     Date: May 23, 2003

   
 
Celltech Group plc
   
By: /s/ Peter Allen
Peter Allen
Chief Financial Officer
   

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